Finding the Fourth Proportional to 1,480,743.74, 2,221,251.15 and 415,778.62
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Solution
The fourth proportional to 1,480,743.74, 2,221,251.15 and 415,778.62 is: 623,705.99
Step by Step Solution
- Step 1: Write the proportion equation
1,480,743.74 : 2,221,251.15 = 415,778.62 : x - Step 2: Convert to fraction form
1,480,743.74/2,221,251.15 = 415,778.62/x - Step 3: Cross multiply
1,480,743.74x = 2,221,251.15 × 415,778.62 - Step 4: Simplify right side
1,480,743.74x = 923,548,737,991.30 - Step 5: Solve for x
x = 923,548,737,991.30/1,480,743.74 - Step 6: Final answer
x = 623,705.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.